diff options
author | Dan Goodliffe <dan@randomdan.homeip.net> | 2023-11-26 13:51:33 +0000 |
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committer | Dan Goodliffe <dan@randomdan.homeip.net> | 2023-11-26 14:14:13 +0000 |
commit | 7fba471728f2216d7e3b7900297fc3b3531e286c (patch) | |
tree | 5caef3b2efc23aefccb215ec9005cd8e7d2e91b8 /gfx/gl | |
parent | Fix todo for handling a terrain walk from outside the mesh (diff) | |
parent | Model positions as integers (diff) | |
download | ilt-7fba471728f2216d7e3b7900297fc3b3531e286c.tar.bz2 ilt-7fba471728f2216d7e3b7900297fc3b3531e286c.tar.xz ilt-7fba471728f2216d7e3b7900297fc3b3531e286c.zip |
Merge branch 'ints' into terrain
Conflicts fix, compiles, some test failures remain.
Trees not added, possibility of OM invalid handle assertion failures,
normals broken due to integer overflow in Newell's method.
Diffstat (limited to 'gfx/gl')
34 files changed, 230 insertions, 153 deletions
diff --git a/gfx/gl/bufferedLocation.cpp b/gfx/gl/bufferedLocation.cpp index eb3dac3..d6a63b9 100644 --- a/gfx/gl/bufferedLocation.cpp +++ b/gfx/gl/bufferedLocation.cpp @@ -1,9 +1,8 @@ #include "bufferedLocation.h" #include "location.h" -#include "maths.h" #include <glm/gtx/transform.hpp> -BufferedLocation::BufferedLocation(glm::vec3 p, glm::vec3 r) : BufferedLocation {Location {p, r}} { } +BufferedLocation::BufferedLocation(GlobalPosition3D p, Rotation3D r) : BufferedLocation {Location {p, r}} { } BufferedLocation::BufferedLocation(const Location & l) : loc {l} { } @@ -20,20 +19,20 @@ BufferedLocation::operator=(const Location & l) return *this; } -glm::vec3 +GlobalPosition3D BufferedLocation::position() const { return loc.pos; } -glm::vec3 +Position3D BufferedLocation::rotation() const { return loc.rot; } void -BufferedLocation::setPosition(glm::vec3 p, bool update) +BufferedLocation::setPosition(GlobalPosition3D p, bool update) { loc.pos = p; if (update) { @@ -42,7 +41,7 @@ BufferedLocation::setPosition(glm::vec3 p, bool update) } void -BufferedLocation::setRotation(glm::vec3 r, bool update) +BufferedLocation::setRotation(Position3D r, bool update) { loc.rot = r; if (update) { @@ -51,7 +50,7 @@ BufferedLocation::setRotation(glm::vec3 r, bool update) } void -BufferedLocation::setLocation(glm::vec3 p, glm::vec3 r) +BufferedLocation::setLocation(GlobalPosition3D p, Rotation3D r) { loc.pos = p; loc.rot = r; @@ -59,7 +58,13 @@ BufferedLocation::setLocation(glm::vec3 p, glm::vec3 r) } glm::mat4 -BufferedLocation::getTransform() const +BufferedLocation::getRotationTransform() const { - return loc.getTransform(); + return loc.getRotationTransform(); +} + +void +BufferedLocationUpdater::updateBuffer() const +{ + onUpdate(this); } diff --git a/gfx/gl/bufferedLocation.h b/gfx/gl/bufferedLocation.h index 8096489..87b957f 100644 --- a/gfx/gl/bufferedLocation.h +++ b/gfx/gl/bufferedLocation.h @@ -4,11 +4,11 @@ #include <functional> #include <glm/mat4x4.hpp> #include <glm/vec3.hpp> -#include <tuple> +#include <utility> class BufferedLocation { public: - BufferedLocation(glm::vec3 = {}, glm::vec3 = {}); + BufferedLocation(GlobalPosition3D = {}, Rotation3D = {}); BufferedLocation(const Location &); virtual ~BufferedLocation() = default; @@ -16,25 +16,25 @@ public: operator const Location &() const; - glm::vec3 position() const; - glm::vec3 rotation() const; - void setPosition(glm::vec3, bool update = true); - void setRotation(glm::vec3, bool update = true); - void setLocation(glm::vec3, glm::vec3); + [[nodiscard]] GlobalPosition3D position() const; + [[nodiscard]] Rotation3D rotation() const; + void setPosition(GlobalPosition3D, bool update = true); + void setRotation(Rotation3D, bool update = true); + void setLocation(GlobalPosition3D, Rotation3D); - glm::mat4 getTransform() const; + [[nodiscard]] glm::mat4 getRotationTransform() const; private: - virtual void updateBuffer() = 0; + virtual void updateBuffer() const = 0; Location loc; }; -template<typename... Target> class BufferedLocationT : public BufferedLocation { +class BufferedLocationUpdater : public BufferedLocation { public: template<typename... LocationArgs> - BufferedLocationT(Target &&... target, LocationArgs &&... t) : - BufferedLocation {std::forward<LocationArgs>(t)...}, target {std::forward<Target>(target)...} + BufferedLocationUpdater(std::function<void(const BufferedLocation *)> onUpdate, LocationArgs &&... t) : + BufferedLocation {std::forward<LocationArgs>(t)...}, onUpdate {std::move(onUpdate)} { updateBuffer(); } @@ -42,11 +42,7 @@ public: using BufferedLocation::operator=; private: - void - updateBuffer() override - { - std::apply(std::invoke<const Target &...>, target) = getTransform(); - } + void updateBuffer() const override; - std::tuple<Target...> target; + std::function<void(const BufferedLocation *)> onUpdate; }; diff --git a/gfx/gl/camera.cpp b/gfx/gl/camera.cpp index c4c9544..15f76c4 100644 --- a/gfx/gl/camera.cpp +++ b/gfx/gl/camera.cpp @@ -2,19 +2,19 @@ #include <collections.h> #include <glm/gtx/intersect.hpp> // IWYU pragma: keep #include <glm/gtx/transform.hpp> // IWYU pragma: keep +#include <math.h> #include <maths.h> #include <ray.h> -Camera::Camera(glm::vec3 pos, float fov, float aspect, float zNear, float zFar) : +Camera::Camera(Position3D pos, Angle fov, Angle aspect, Distance zNear, Distance zFar) : position {pos}, forward {::north}, up {::up}, near {zNear}, far {zFar}, - projection {glm::perspective(fov, aspect, zNear, zFar)}, - viewProjection {projection * glm::lookAt(position, position + forward, up)}, - inverseViewProjection {glm::inverse(viewProjection)} + projection {glm::perspective(fov, aspect, zNear, zFar)}, viewProjection {}, inverseViewProjection {} { + updateView(); } Ray -Camera::unProject(const glm::vec2 & mouse) const +Camera::unProject(const ScreenRelCoord & mouse) const { static constexpr const glm::vec4 screen {0, 0, 1, 1}; const auto mouseProjection = glm::lookAt(::origin, forward, up); @@ -24,12 +24,12 @@ Camera::unProject(const glm::vec2 & mouse) const void Camera::updateView() { - viewProjection = projection * glm::lookAt(position, position + forward, up); - inverseViewProjection = glm::inverse(viewProjection); + viewProjection = projection * glm::lookAt(origin, forward, up); + inverseViewProjection = glm::inverse(projection * glm::lookAt(position, position + forward, up)); } -glm::vec3 -Camera::upFromForward(const glm::vec3 & forward) +Direction3D +Camera::upFromForward(const Direction3D & forward) { const auto right = glm::cross(forward, ::down); return glm::cross(forward, right); @@ -38,11 +38,11 @@ Camera::upFromForward(const glm::vec3 & forward) std::array<glm::vec4, 4> Camera::extentsAtDist(const float dist) const { - const auto clampToSeaFloor = [this, dist](const glm::vec3 & target) { + const auto clampToSeaFloor = [this, dist](const Position3D & target) { if (target.z < -1.5F) { const auto vec = glm::normalize(target - position); - constexpr glm::vec3 seafloor {0, 0, -1.5F}; - float outdist; + constexpr Position3D seafloor {0, 0, -1.5F}; + float outdist {}; if (glm::intersectRayPlane(position, vec, seafloor, ::up, outdist)) { return (vec * outdist + position) ^ outdist; } diff --git a/gfx/gl/camera.h b/gfx/gl/camera.h index 3f1c3a7..469df0d 100644 --- a/gfx/gl/camera.h +++ b/gfx/gl/camera.h @@ -1,60 +1,69 @@ #pragma once +#include "config/types.h" #include <glm/glm.hpp> #include <maths.h> #include <ray.h> class Camera { public: - Camera(glm::vec3 pos, float fov, float aspect, float zNear, float zFar); + Camera(Position3D, Angle fov, Angle aspect, Distance zNear, Distance zFar); [[nodiscard]] glm::mat4 getViewProjection() const { return viewProjection; } - [[nodiscard]] Ray unProject(const glm::vec2 &) const; + + [[nodiscard]] Ray unProject(const ScreenRelCoord &) const; void - setPosition(const glm::vec3 & p) + setPosition(const Position3D & p) { position = p; updateView(); } + void - setForward(const glm::vec3 & f) + setForward(const Direction3D & f) { setForward(f, upFromForward(f)); } + void - setForward(const glm::vec3 & f, const glm::vec3 & u) + setForward(const Direction3D & f, const Direction3D & u) { forward = f; up = u; updateView(); } + void - setView(const glm::vec3 & p, const glm::vec3 & f) + setView(const Position3D & p, const Direction3D & f) { position = p; setForward(f); } + void - setView(const glm::vec3 & p, const glm::vec3 & f, const glm::vec3 & u) + setView(const Position3D & p, const Direction3D & f, const Direction3D & u) { position = p; setView(f, u); } + void - lookAt(const glm::vec3 & target) + lookAt(const Position3D & target) { setForward(glm::normalize(target - position)); } + [[nodiscard]] auto getForward() const { return forward; } + [[nodiscard]] auto getPosition() const { @@ -63,14 +72,14 @@ public: [[nodiscard]] std::array<glm::vec4, 4> extentsAtDist(float) const; - [[nodiscard]] static glm::vec3 upFromForward(const glm::vec3 & forward); + [[nodiscard]] static Direction3D upFromForward(const Direction3D & forward); private: void updateView(); - glm::vec3 position; - glm::vec3 forward; - glm::vec3 up; + Position3D position; + Direction3D forward; + Direction3D up; float near, far; glm::mat4 projection; diff --git a/gfx/gl/instanceVertices.h b/gfx/gl/instanceVertices.h index 7b0341b..a89aa78 100644 --- a/gfx/gl/instanceVertices.h +++ b/gfx/gl/instanceVertices.h @@ -13,9 +13,11 @@ public: class [[nodiscard]] InstanceProxy { public: InstanceProxy(InstanceVertices * iv, std::size_t idx) : instances {iv}, index {idx} { } + InstanceProxy(InstanceProxy && other) : instances {std::exchange(other.instances, nullptr)}, index {other.index} { } + NO_COPY(InstanceProxy); ~InstanceProxy() @@ -35,6 +37,7 @@ public: index = other.index; return *this; } + template<typename U> T & operator=(U && v) @@ -42,40 +45,46 @@ public: return instances->lookup(index) = std::forward<U>(v); } - [[nodiscard]] - operator T &() + [[nodiscard]] operator T &() { return instances->lookup(index); } + [[nodiscard]] operator const T &() const { return instances->lookup(index); } + [[nodiscard]] T * get() { return &instances->lookup(index); } + [[nodiscard]] const T * get() const { return &instances->lookup(index); } + [[nodiscard]] T * operator->() { return get(); } + [[nodiscard]] const T * operator->() const { return get(); } + [[nodiscard]] T & operator*() { return instances->lookup(index); } + [[nodiscard]] const T & operator*() const { diff --git a/gfx/gl/program.h b/gfx/gl/program.h index 76b6742..1a1c306 100644 --- a/gfx/gl/program.h +++ b/gfx/gl/program.h @@ -9,6 +9,7 @@ class Location; using ProgramRef = glRef<GLuint, &glCreateProgram, &glDeleteProgram>; + class Program { public: template<typename... S> explicit Program(const S &... srcs) @@ -16,12 +17,14 @@ public: (glAttachShader(m_program, srcs.compile()), ...); linkAndValidate(); } + virtual ~Program() = default; DEFAULT_MOVE_NO_COPY(Program); class UniformLocation { public: UniformLocation(GLuint prog, const char * name); + // NOLINTNEXTLINE(hicpp-explicit-conversions) operator auto() const { diff --git a/gfx/gl/sceneProvider.cpp b/gfx/gl/sceneProvider.cpp index 0163b36..2e8604c 100644 --- a/gfx/gl/sceneProvider.cpp +++ b/gfx/gl/sceneProvider.cpp @@ -7,6 +7,7 @@ SceneProvider::environment(const SceneShader &, const SceneRenderer & renderer) renderer.setAmbientLight({0.5F, 0.5F, 0.5F}); renderer.setDirectionalLight({0.6F, 0.6F, 0.6F}, {-1, 1, -1}, *this); } + void SceneProvider::shadows(const ShadowMapper &) const { diff --git a/gfx/gl/sceneRenderer.cpp b/gfx/gl/sceneRenderer.cpp index aa9453a..53178e5 100644 --- a/gfx/gl/sceneRenderer.cpp +++ b/gfx/gl/sceneRenderer.cpp @@ -13,8 +13,9 @@ static constexpr const std::array<const glm::i8vec4, 4> displayVAOdata {{ {1, 1, 1, 1}, {1, -1, 1, 0}, }}; -SceneRenderer::SceneRenderer(glm::ivec2 s, GLuint o) : - camera {{-1250.0F, -1250.0F, 35.0F}, quarter_pi, ratio(s), 0.1F, 10000.0F}, size {s}, output {o}, + +SceneRenderer::SceneRenderer(ScreenAbsCoord s, GLuint o) : + camera {{-1250000.0F, -1250000.0F, 35.0F}, quarter_pi, ratio(s), 100.F, 10000000.0F}, size {s}, output {o}, lighting {lighting_vs, lighting_fs}, shadowMapper {{2048, 2048}} { shader.setViewPort({0, 0, size.x, size.y}); @@ -51,7 +52,7 @@ SceneRenderer::SceneRenderer(glm::ivec2 s, GLuint o) : void SceneRenderer::render(const SceneProvider & scene) const { - shader.setViewProjection(camera.getViewProjection()); + shader.setViewProjection(camera.getPosition(), camera.getViewProjection()); glViewport(0, 0, size.x, size.y); // Geometry pass @@ -96,7 +97,7 @@ SceneRenderer::render(const SceneProvider & scene) const } void -SceneRenderer::setAmbientLight(const glm::vec3 & colour) const +SceneRenderer::setAmbientLight(const RGB & colour) const { glBindFramebuffer(GL_FRAMEBUFFER, gBuffer); glClearColor(colour.r, colour.g, colour.b, 1.0F); @@ -104,8 +105,7 @@ SceneRenderer::setAmbientLight(const glm::vec3 & colour) const } void -SceneRenderer::setDirectionalLight( - const glm::vec3 & colour, const glm::vec3 & direction, const SceneProvider & scene) const +SceneRenderer::setDirectionalLight(const RGB & colour, const Direction3D & direction, const SceneProvider & scene) const { if (colour.r > 0 || colour.g > 0 || colour.b > 0) { const auto lvp = shadowMapper.update(scene, direction, camera); @@ -134,8 +134,8 @@ SceneRenderer::DirectionalLightProgram::DirectionalLightProgram() : } void -SceneRenderer::DirectionalLightProgram::setDirectionalLight(const glm::vec3 & c, const glm::vec3 & d, - const std::span<const glm::mat4x4> lvp, const std::span<const glm::vec4> shadowMapRegions, +SceneRenderer::DirectionalLightProgram::setDirectionalLight(const RGB & c, const Direction3D & d, + const std::span<const glm::mat4x4> lvp, const std::span<const TextureRelRegion> shadowMapRegions, std::size_t maps) const { glUniform3fv(colourLoc, 1, glm::value_ptr(c)); diff --git a/gfx/gl/sceneRenderer.h b/gfx/gl/sceneRenderer.h index d4af665..30fd8d3 100644 --- a/gfx/gl/sceneRenderer.h +++ b/gfx/gl/sceneRenderer.h @@ -11,34 +11,36 @@ class SceneRenderer { public: - explicit SceneRenderer(glm::ivec2 size, GLuint output); + explicit SceneRenderer(ScreenAbsCoord size, GLuint output); void render(const SceneProvider &) const; - void setAmbientLight(const glm::vec3 & colour) const; - void setDirectionalLight(const glm::vec3 & colour, const glm::vec3 & direction, const SceneProvider &) const; + void setAmbientLight(const RGB & colour) const; + void setDirectionalLight(const RGB & colour, const Direction3D & direction, const SceneProvider &) const; Camera camera; private: void renderQuad() const; - glm::ivec2 size; + ScreenAbsCoord size; GLuint output; glFrameBuffer gBuffer; glTexture gPosition, gNormal, gAlbedoSpec, gIllumination; glRenderBuffer depth; + class DeferredLightProgram : public Program { public: using Program::Program; using Program::use; }; + class DirectionalLightProgram : public Program { public: DirectionalLightProgram(); using Program::use; - void setDirectionalLight(const glm::vec3 &, const glm::vec3 &, const std::span<const glm::mat4x4>, - const std::span<const glm::vec4>, std::size_t maps) const; + void setDirectionalLight(const RGB &, const Direction3D &, const std::span<const glm::mat4x4>, + const std::span<const TextureRelRegion>, std::size_t maps) const; private: RequiredUniformLocation directionLoc, colourLoc, lightViewProjectionLoc, lightViewProjectionCountLoc, diff --git a/gfx/gl/sceneShader.cpp b/gfx/gl/sceneShader.cpp index 1354611..59a9748 100644 --- a/gfx/gl/sceneShader.cpp +++ b/gfx/gl/sceneShader.cpp @@ -26,16 +26,16 @@ SceneShader::SceneShader() : } void -SceneShader::setViewProjection(const glm::mat4 & viewProjection) const +SceneShader::setViewProjection(const Position3D & viewPoint, const glm::mat4 & viewProjection) const { for (const auto & prog : std::array<const SceneProgram *, 7> { &basic, &basicInst, &water, &landmass, &absolute, &pointLight, &spotLight}) { - prog->setViewProjection(viewProjection); + prog->setViewProjection(viewPoint, viewProjection); } } void -SceneShader::setViewPort(const glm::ivec4 & viewPort) const +SceneShader::setViewPort(const ViewPort & viewPort) const { for (const auto & prog : std::array<const SceneProgram *, 7> { &basic, &basicInst, &water, &landmass, &absolute, &pointLight, &spotLight}) { @@ -44,14 +44,15 @@ SceneShader::setViewPort(const glm::ivec4 & viewPort) const } void -SceneShader::SceneProgram::setViewProjection(const glm::mat4 & viewProjection) const +SceneShader::SceneProgram::setViewProjection(const Position3D & viewPoint, const glm::mat4 & viewProjection) const { glUseProgram(*this); glUniformMatrix4fv(viewProjectionLoc, 1, GL_FALSE, glm::value_ptr(viewProjection)); + glUniform3fv(viewPointLoc, 1, glm::value_ptr(viewPoint)); } void -SceneShader::SceneProgram::setViewPort(const glm::ivec4 & viewPort) const +SceneShader::SceneProgram::setViewPort(const ViewPort & viewPort) const { if (viewPortLoc >= 0) { glUseProgram(*this); @@ -59,13 +60,16 @@ SceneShader::SceneProgram::setViewPort(const glm::ivec4 & viewPort) const } } -SceneShader::BasicProgram::BasicProgram() : SceneProgram {dynamicPoint_vs, material_fs}, modelLoc {*this, "model"} { } +SceneShader::BasicProgram::BasicProgram() : + SceneProgram {dynamicPoint_vs, material_fs}, modelLoc {*this, "model"}, modelPosLoc {*this, "modelPos"} +{ +} void SceneShader::BasicProgram::setModel(Location const & location) const { - const auto model {glm::translate(location.pos) * rotate_ypr(location.rot)}; - glUniformMatrix4fv(modelLoc, 1, GL_FALSE, glm::value_ptr(model)); + glUniformMatrix4fv(modelLoc, 1, GL_FALSE, glm::value_ptr(rotate_ypr(location.rot))); + glUniform3iv(modelPosLoc, 1, glm::value_ptr(location.pos)); } void @@ -81,38 +85,40 @@ void SceneShader::WaterProgram::use(float waveCycle) const { Program::use(); - glm::vec3 waves {waveCycle, 0.F, 0.F}; + Position3D waves {waveCycle, 0.F, 0.F}; glUniform3fv(waveLoc, 1, glm::value_ptr(waves)); } SceneShader::PointLightShader::PointLightShader() : - SceneProgram {pointLight_vs, pointLight_gs, pointLight_fs}, colourLoc {*this, "colour"}, kqLoc {*this, "kq"} + SceneProgram {pointLight_vs, pointLight_gs, pointLight_fs}, colourLoc {*this, "colour"}, kqLoc {*this, "kq"}, + viewPointLoc {*this, "viewPoint"} { - VertexArrayObject {va}.addAttribs<glm::vec3>(b); + VertexArrayObject {va}.addAttribs<Position3D>(b); } void -SceneShader::PointLightShader::add(const glm::vec3 & position, const glm::vec3 & colour, const float kq) const +SceneShader::PointLightShader::add(const Position3D & position, const RGB & colour, const float kq) const { Program::use(); glBindVertexArray(va); glBindBuffer(GL_ARRAY_BUFFER, b); glUniform3fv(colourLoc, 1, glm::value_ptr(colour)); glUniform1f(kqLoc, kq); - glBufferData(GL_ARRAY_BUFFER, sizeof(glm::vec3), glm::value_ptr(position), GL_DYNAMIC_DRAW); + glBufferData(GL_ARRAY_BUFFER, sizeof(Position3D), glm::value_ptr(position), GL_DYNAMIC_DRAW); glDrawArrays(GL_POINTS, 0, 1); } SceneShader::SpotLightShader::SpotLightShader() : SceneProgram {spotLight_vs, spotLight_gs, spotLight_fs}, directionLoc {*this, "v_direction"}, - colourLoc {*this, "colour"}, kqLoc {*this, "kq"}, arcLoc {*this, "arc"} + colourLoc {*this, "colour"}, kqLoc {*this, "kq"}, arcLoc {*this, "arc"}, viewPointLoc {*this, "viewPoint"} + { - using v3pair = std::pair<glm::vec3, glm::vec3>; + using v3pair = std::pair<Position3D, Direction3D>; VertexArrayObject {va}.addAttribs<v3pair, &v3pair::first, &v3pair::second>(b); } void -SceneShader::SpotLightShader::add(const glm::vec3 & position, const glm::vec3 & direction, const glm::vec3 & colour, +SceneShader::SpotLightShader::add(const Position3D & position, const Direction3D & direction, const RGB & colour, const float kq, const float arc) const { Program::use(); @@ -122,6 +128,6 @@ SceneShader::SpotLightShader::add(const glm::vec3 & position, const glm::vec3 & glUniform3fv(directionLoc, 1, glm::value_ptr(direction)); glUniform1f(kqLoc, kq); glUniform1f(arcLoc, arc); - glBufferData(GL_ARRAY_BUFFER, sizeof(glm::vec3), glm::value_ptr(position), GL_DYNAMIC_DRAW); + glBufferData(GL_ARRAY_BUFFER, sizeof(Position3D), glm::value_ptr(position), GL_DYNAMIC_DRAW); glDrawArrays(GL_POINTS, 0, 1); } diff --git a/gfx/gl/sceneShader.h b/gfx/gl/sceneShader.h index ead184e..83c234c 100644 --- a/gfx/gl/sceneShader.h +++ b/gfx/gl/sceneShader.h @@ -1,5 +1,6 @@ #pragma once +#include "config/types.h" #include "program.h" #include <glArrays.h> @@ -10,15 +11,16 @@ class SceneShader { public: template<typename... S> inline explicit SceneProgram(const S &... srcs) : - Program {srcs...}, viewProjectionLoc {*this, "viewProjection"}, viewPortLoc {*this, "viewPort"} + Program {srcs...}, viewProjectionLoc {*this, "viewProjection"}, viewPointLoc {*this, "viewPoint"}, + viewPortLoc {*this, "viewPort"} { } - void setViewProjection(const glm::mat4 &) const; - void setViewPort(const glm::ivec4 &) const; + void setViewProjection(const Position3D &, const glm::mat4 &) const; + void setViewPort(const ViewPort &) const; private: - RequiredUniformLocation viewProjectionLoc; + RequiredUniformLocation viewProjectionLoc, viewPointLoc; UniformLocation viewPortLoc; }; @@ -30,6 +32,7 @@ class SceneShader { private: RequiredUniformLocation modelLoc; + RequiredUniformLocation modelPosLoc; }; class AbsolutePosProgram : public SceneProgram { @@ -52,11 +55,12 @@ class SceneShader { public: PointLightShader(); - void add(const glm::vec3 & position, const glm::vec3 & colour, const float kq) const; + void add(const Position3D & position, const RGB & colour, const float kq) const; private: UniformLocation colourLoc; UniformLocation kqLoc; + UniformLocation viewPointLoc; glVertexArray va; glBuffer b; }; @@ -65,7 +69,7 @@ class SceneShader { public: SpotLightShader(); - void add(const glm::vec3 & position, const glm::vec3 & direction, const glm::vec3 & colour, const float kq, + void add(const Position3D & position, const Direction3D & direction, const RGB & colour, const float kq, const float arc) const; private: @@ -73,6 +77,7 @@ class SceneShader { UniformLocation colourLoc; UniformLocation kqLoc; UniformLocation arcLoc; + UniformLocation viewPointLoc; glVertexArray va; glBuffer b; }; @@ -86,6 +91,6 @@ public: PointLightShader pointLight; SpotLightShader spotLight; - void setViewProjection(const glm::mat4 & viewProjection) const; - void setViewPort(const glm::ivec4 & viewPort) const; + void setViewProjection(const Position3D & viewPoint, const glm::mat4 & viewProjection) const; + void setViewPort(const ViewPort & viewPort) const; }; diff --git a/gfx/gl/shader.h b/gfx/gl/shader.h index 0810e6b..cff2281 100644 --- a/gfx/gl/shader.h +++ b/gfx/gl/shader.h @@ -8,6 +8,7 @@ class Shader { public: using ShaderRef = glRef<GLuint, &glCreateShader, &glDeleteShader>; + constexpr Shader(const GLchar * text, GLint len, GLuint type) : text {text}, len {len}, type {type} { } [[nodiscard]] ShaderRef compile() const; diff --git a/gfx/gl/shaders/commonPoint.glsl b/gfx/gl/shaders/commonPoint.glsl index 35510e1..046da27 100644 --- a/gfx/gl/shaders/commonPoint.glsl +++ b/gfx/gl/shaders/commonPoint.glsl @@ -24,5 +24,5 @@ main() Colour = colour; Material = getMaterialDetail(material); - gl_Position = viewProjection * worldPos; + gl_Position = viewProjection * vec4(FragPos - viewPoint + modelPos, 1); } diff --git a/gfx/gl/shaders/commonShadowPoint.glsl b/gfx/gl/shaders/commonShadowPoint.glsl index c7cbd3e..216642e 100644 --- a/gfx/gl/shaders/commonShadowPoint.glsl +++ b/gfx/gl/shaders/commonShadowPoint.glsl @@ -1,6 +1,7 @@ void main() { - gl_Position = viewProjection * model * vec4(position, 1.0); + vec4 worldPos = model * vec4(position, 1.0); + gl_Position = viewProjection * vec4(worldPos.xyz - viewPoint + modelPos, 1); gl_Position.z = max(gl_Position.z, -1); } diff --git a/gfx/gl/shaders/dynamicPoint.vs b/gfx/gl/shaders/dynamicPoint.vs index 961535c..667f247 100644 --- a/gfx/gl/shaders/dynamicPoint.vs +++ b/gfx/gl/shaders/dynamicPoint.vs @@ -5,6 +5,8 @@ include(`meshIn.glsl') include(`materialInterface.glsl') uniform mat4 viewProjection; +uniform vec3 viewPoint; uniform mat4 model; +uniform ivec3 modelPos; include(`commonPoint.glsl') diff --git a/gfx/gl/shaders/dynamicPointInst.vs b/gfx/gl/shaders/dynamicPointInst.vs index 2d6cee5..adf39bd 100644 --- a/gfx/gl/shaders/dynamicPointInst.vs +++ b/gfx/gl/shaders/dynamicPointInst.vs @@ -5,6 +5,8 @@ include(`meshIn.glsl') include(`materialInterface.glsl') uniform mat4 viewProjection; +uniform vec3 viewPoint; layout(location = 5) in mat4 model; +layout(location = 9) in ivec3 modelPos; include(`commonPoint.glsl') diff --git a/gfx/gl/shaders/fixedPoint.vs b/gfx/gl/shaders/fixedPoint.vs index ed78c96..6e1ab49 100644 --- a/gfx/gl/shaders/fixedPoint.vs +++ b/gfx/gl/shaders/fixedPoint.vs @@ -5,6 +5,8 @@ include(`meshIn.glsl') include(`materialInterface.glsl') uniform mat4 viewProjection; +uniform vec3 viewPoint; const mat4 model = mat4(1); +const vec3 modelPos = ivec3(0); include(`commonPoint.glsl') diff --git a/gfx/gl/shaders/landmass.fs b/gfx/gl/shaders/landmass.fs index 4dc92bb..9865d11 100644 --- a/gfx/gl/shaders/landmass.fs +++ b/gfx/gl/shaders/landmass.fs @@ -11,9 +11,9 @@ const vec3 rock = vec3(.2, .2, .1); const vec3 sand = vec3(.76, .7, .5); const vec3 snow = vec3(.97, .97, .99); -const float beachline = .5; -const float snowline_low = 28; -const float snowline_high = 30; +const float beachline = 500; +const float snowline_low = 28000; +const float snowline_high = 30000; const float slope_min = .99; const float slope_mid = .95; diff --git a/gfx/gl/shaders/pointLight.fs b/gfx/gl/shaders/pointLight.fs index bd32c05..1a68df8 100644 --- a/gfx/gl/shaders/pointLight.fs +++ b/gfx/gl/shaders/pointLight.fs @@ -26,5 +26,5 @@ main() if (normalDot < 0) { discard; } - FragColor = (colour * normalDot) / (1 + (kq * pow(lightDist, 2))); + FragColor = (colour * normalDot) / (1 + (kq * pow(lightDist / 1000.0, 2))); } diff --git a/gfx/gl/shaders/pointLight.gs b/gfx/gl/shaders/pointLight.gs index 03d131d..ec089f5 100644 --- a/gfx/gl/shaders/pointLight.gs +++ b/gfx/gl/shaders/pointLight.gs @@ -19,6 +19,7 @@ const vec3[] cube = vec3[]( // http://www.cs.umd.edu/gvil/papers/av_ts.pdf vec3(1, 1, -1) // Back-top-right ); uniform mat4 viewProjection; +uniform vec3 viewPoint; in vec3 centre[]; in float size[]; diff --git a/gfx/gl/shaders/pointLight.vs b/gfx/gl/shaders/pointLight.vs index 35682fa..7694a25 100644 --- a/gfx/gl/shaders/pointLight.vs +++ b/gfx/gl/shaders/pointLight.vs @@ -4,6 +4,7 @@ layout(location = 0) in vec3 position; uniform vec3 colour; uniform float kq; +uniform vec3 viewPoint; out vec3 centre; out float size; @@ -12,6 +13,6 @@ void main() { centre = position; - size = (8 * sqrt(max(max(colour.r, colour.g), colour.b))) / sqrt(kq); - gl_Position = vec4(centre, 0); + size = (8000 * sqrt(max(max(colour.r, colour.g), colour.b))) / sqrt(kq); + gl_Position = vec4(centre - viewPoint, 0); } diff --git a/gfx/gl/shaders/shadowDynamicPoint.vs b/gfx/gl/shaders/shadowDynamicPoint.vs index f3ed533..e20d31a 100644 --- a/gfx/gl/shaders/shadowDynamicPoint.vs +++ b/gfx/gl/shaders/shadowDynamicPoint.vs @@ -3,6 +3,8 @@ include(`meshIn.glsl') uniform mat4 viewProjection; +uniform vec3 viewPoint; uniform mat4 model; +uniform ivec3 modelPos; include(`commonShadowPoint.glsl') diff --git a/gfx/gl/shaders/shadowDynamicPointInst.vs b/gfx/gl/shaders/shadowDynamicPointInst.vs index 1bf74ef..ab3e976 100644 --- a/gfx/gl/shaders/shadowDynamicPointInst.vs +++ b/gfx/gl/shaders/shadowDynamicPointInst.vs @@ -3,6 +3,8 @@ include(`meshIn.glsl') uniform mat4 viewProjection; +uniform vec3 viewPoint; layout(location = 5) in mat4 model; +layout(location = 9) in ivec3 modelPos; include(`commonShadowPoint.glsl') diff --git a/gfx/gl/shaders/shadowFixedPoint.vs b/gfx/gl/shaders/shadowFixedPoint.vs index 8921707..a9fb4a3 100644 --- a/gfx/gl/shaders/shadowFixedPoint.vs +++ b/gfx/gl/shaders/shadowFixedPoint.vs @@ -3,6 +3,8 @@ include(`meshIn.glsl') uniform mat4 viewProjection; +uniform vec3 viewPoint; const mat4 model = mat4(1); +const ivec3 modelPos = ivec3(0); include(`commonShadowPoint.glsl') diff --git a/gfx/gl/shaders/spotLight.fs b/gfx/gl/shaders/spotLight.fs index add86fd..78b8f72 100644 --- a/gfx/gl/shaders/spotLight.fs +++ b/gfx/gl/shaders/spotLight.fs @@ -30,5 +30,5 @@ main() if (normalDot < 0) { discard; } - FragColor = (colour * normalDot) / (1 + (kq * pow(lightDist, 2))); + FragColor = (colour * normalDot) / (1 + (kq * pow(lightDist / 1000.0, 2))); } diff --git a/gfx/gl/shaders/spotLight.gs b/gfx/gl/shaders/spotLight.gs index ad65675..0529614 100644 --- a/gfx/gl/shaders/spotLight.gs +++ b/gfx/gl/shaders/spotLight.gs @@ -10,6 +10,7 @@ const vec3[] pyramid = vec3[]( // four-sided vec3(1, -1, 1) // Front-right ); uniform mat4 viewProjection; +uniform vec3 viewPoint; uniform float arc; in vec3 position[]; diff --git a/gfx/gl/shaders/spotLight.vs b/gfx/gl/shaders/spotLight.vs index dca0854..08197a4 100644 --- a/gfx/gl/shaders/spotLight.vs +++ b/gfx/gl/shaders/spotLight.vs @@ -6,6 +6,7 @@ uniform vec3 v_direction; uniform vec3 colour; uniform float kq; uniform float arc; +uniform vec3 viewPoint; out vec3 position; out vec3 direction; @@ -17,7 +18,7 @@ main() { position = v_position; direction = normalize(v_direction); - size = (8 * sqrt(max(max(colour.r, colour.g), colour.b))) / sqrt(kq); + size = (8000 * sqrt(max(max(colour.r, colour.g), colour.b))) / sqrt(kq); cosarc = cos(arc / 2); - gl_Position = vec4(position, 0); + gl_Position = vec4(position - viewPoint, 0); } diff --git a/gfx/gl/shaders/water.fs b/gfx/gl/shaders/water.fs index 04aa94c..2ccc924 100644 --- a/gfx/gl/shaders/water.fs +++ b/gfx/gl/shaders/water.fs @@ -13,5 +13,5 @@ main() gPosition = vec4(FragPos, 1); gNormal = vec4(Normal, 1); gAlbedoSpec = texture(texture0, TexCoords); - gAlbedoSpec.a *= clamp(-FragPos.z * .7, .1, 1.0); + gAlbedoSpec.a *= clamp(-FragPos.z * .0007, .1, 1.0); } diff --git a/gfx/gl/shaders/water.vs b/gfx/gl/shaders/water.vs index a21b49f..03eabb2 100644 --- a/gfx/gl/shaders/water.vs +++ b/gfx/gl/shaders/water.vs @@ -4,17 +4,18 @@ include(`meshIn.glsl') include(`materialInterface.glsl') uniform mat4 viewProjection; +uniform vec3 viewPoint; uniform vec3 waves; void main() { - vec4 wpos = vec4(position.x + cos(waves.x), position.y + cos(waves.x * waves.y / 2), - cos(waves.x + position.x + (position.y / 8)) * .3, 1.0); + vec3 wpos = vec3(position.x + (cos(waves.x) * 1000.0), position.y + (cos(waves.x * waves.y / 2) * 1000.0), + cos(waves.x + (position.x / 1000.0) + (position.y * 125.0)) * 300.0); FragPos = vec3(wpos.xy, position.z); TexCoords = texCoord; Normal = normal; - gl_Position = viewProjection * wpos; + gl_Position = viewProjection * vec4(wpos - viewPoint, 1.0); } diff --git a/gfx/gl/shadowMapper.cpp b/gfx/gl/shadowMapper.cpp index 55d986c..07db6a1 100644 --- a/gfx/gl/shadowMapper.cpp +++ b/gfx/gl/shadowMapper.cpp @@ -15,7 +15,7 @@ #include <tuple> #include <vector> -ShadowMapper::ShadowMapper(const glm::ivec2 & s) : +ShadowMapper::ShadowMapper(const TextureAbsCoord & s) : fixedPoint {shadowFixedPoint_vs}, dynamicPointInst {shadowDynamicPointInst_vs}, size {s} { glBindTexture(GL_TEXTURE_2D, depthMap); @@ -24,7 +24,7 @@ ShadowMapper::ShadowMapper(const glm::ivec2 & s) : glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER); - static constexpr glm::vec4 border {std::numeric_limits<float>::infinity()}; + static constexpr RGBA border {std::numeric_limits<RGBA::value_type>::infinity()}; glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_BORDER_COLOR, glm::value_ptr(border)); glBindFramebuffer(GL_FRAMEBUFFER, depthMapFBO); @@ -37,7 +37,7 @@ ShadowMapper::ShadowMapper(const glm::ivec2 & s) : glBindFramebuffer(GL_FRAMEBUFFER, 0); } -constexpr std::array<std::array<glm::ivec4, ShadowMapper::SHADOW_BANDS>, ShadowMapper::SHADOW_BANDS> viewports {{ +constexpr std::array<std::array<TextureAbsRegion, ShadowMapper::SHADOW_BANDS>, ShadowMapper::SHADOW_BANDS> viewports {{ {{ {31, 31, 0, 0}, // full }}, @@ -57,33 +57,34 @@ constexpr std::array<std::array<glm::ivec4, ShadowMapper::SHADOW_BANDS>, ShadowM {1, 1, 1, 1}, // upper right }}, }}; -constexpr std::array<std::array<glm::vec4, ShadowMapper::SHADOW_BANDS>, ShadowMapper::SHADOW_BANDS> shadowMapRegions {{ - {{ - {0.5F, 0.5F, 0.5F, 0.5F}, // full - }}, - {{ - {0.5F, 0.25F, 0.5F, 0.25F}, // lower half - {0.5F, 0.25F, 0.5F, 0.75F}, // upper half - }}, - {{ - {0.5F, 0.25F, 0.5F, 0.25F}, // lower half - {0.25F, 0.25F, 0.25F, 0.75F}, // upper left - {0.25F, 0.25F, 0.75F, 0.75F}, // upper right - }}, - - {{ - {0.25F, 0.25F, 0.25F, 0.25F}, // lower left - {0.25F, 0.25F, 0.75F, 0.25F}, // lower right - {0.25F, 0.25F, 0.25F, 0.75F}, // upper left - {0.25F, 0.25F, 0.75F, 0.75F}, // upper right - }}, -}}; +constexpr std::array<std::array<TextureRelRegion, ShadowMapper::SHADOW_BANDS>, ShadowMapper::SHADOW_BANDS> + shadowMapRegions {{ + {{ + {0.5F, 0.5F, 0.5F, 0.5F}, // full + }}, + {{ + {0.5F, 0.25F, 0.5F, 0.25F}, // lower half + {0.5F, 0.25F, 0.5F, 0.75F}, // upper half + }}, + {{ + {0.5F, 0.25F, 0.5F, 0.25F}, // lower half + {0.25F, 0.25F, 0.25F, 0.75F}, // upper left + {0.25F, 0.25F, 0.75F, 0.75F}, // upper right + }}, + + {{ + {0.25F, 0.25F, 0.25F, 0.25F}, // lower left + {0.25F, 0.25F, 0.75F, 0.25F}, // lower right + {0.25F, 0.25F, 0.25F, 0.75F}, // upper left + {0.25F, 0.25F, 0.75F, 0.75F}, // upper right + }}, + }}; constexpr std::array<float, ShadowMapper::SHADOW_BANDS + 1> shadowBands { - 1.F, - 250.F, - 750.F, - 2500.F, - 10000.F, + 1000.F, + 250000.F, + 750000.F, + 2500000.F, + 10000000.F, }; static_assert(viewports.size() == shadowMapRegions.size()); static_assert(shadowBands.size() == shadowMapRegions.size() + 1); @@ -94,22 +95,24 @@ struct DefinitionsInserter { { return out.maps++; }; + auto operator*() { return std::tie(out.projections[out.maps], out.regions[out.maps]); } + ShadowMapper::Definitions & out; }; -std::vector<std::array<glm::vec3, 4>> +std::vector<std::array<Position3D, 4>> ShadowMapper::getBandViewExtents(const Camera & camera, const glm::mat4 & lightView) { - std::vector<std::array<glm::vec3, 4>> bandViewExtents; + std::vector<std::array<Position3D, 4>> bandViewExtents; for (const auto dist : shadowBands) { const auto extents = camera.extentsAtDist(dist); - bandViewExtents.emplace_back(extents * [&lightView](const auto & e) -> glm::vec3 { - return lightView * glm::vec4(glm::vec3 {e}, 1); + bandViewExtents.emplace_back(extents * [&lightView](const auto & e) -> Position3D { + return lightView * glm::vec4(Position3D {e}, 1); }); if (std::none_of(extents.begin(), extents.end(), [targetDist = dist * 0.99F](const glm::vec4 & e) { return e.w > targetDist; @@ -121,7 +124,7 @@ ShadowMapper::getBandViewExtents(const Camera & camera, const glm::mat4 & lightV } ShadowMapper::Definitions -ShadowMapper::update(const SceneProvider & scene, const glm::vec3 & dir, const Camera & camera) const +ShadowMapper::update(const SceneProvider & scene, const Direction3D & dir, const Camera & camera) const { glBindFramebuffer(GL_FRAMEBUFFER, depthMapFBO); glClear(GL_DEPTH_BUFFER_BIT); @@ -161,12 +164,14 @@ ShadowMapper::update(const SceneProvider & scene, const glm::vec3 & dir, const C } ShadowMapper::FixedPoint::FixedPoint(const Shader & vs) : Program {vs}, viewProjectionLoc {*this, "viewProjection"} { } + void ShadowMapper::FixedPoint::setViewProjection(const glm::mat4 & viewProjection) const { use(); glUniformMatrix4fv(viewProjectionLoc, 1, GL_FALSE, glm::value_ptr(viewProjection)); } + void ShadowMapper::FixedPoint::use() const { @@ -174,26 +179,28 @@ ShadowMapper::FixedPoint::use() const } ShadowMapper::DynamicPoint::DynamicPoint() : - Program {shadowDynamicPoint_vs}, viewProjectionLoc {*this, "viewProjection"}, modelLoc {*this, "model"} + Program {shadowDynamicPoint_vs}, viewProjectionLoc {*this, "viewProjection"}, modelLoc {*this, "model"}, + modelPosLoc {*this, "modelPos"} { } + void ShadowMapper::DynamicPoint::setViewProjection(const glm::mat4 & viewProjection) const { glUseProgram(*this); glUniformMatrix4fv(viewProjectionLoc, 1, GL_FALSE, glm::value_ptr(viewProjection)); } + void ShadowMapper::DynamicPoint::use(const Location & location) const { glUseProgram(*this); setModel(location); - const auto model = glm::translate(location.pos) * rotate_ypr(location.rot); - glUniformMatrix4fv(modelLoc, 1, GL_FALSE, glm::value_ptr(model)); } + void ShadowMapper::DynamicPoint::setModel(const Location & location) const { - const auto model = glm::translate(location.pos) * rotate_ypr(location.rot); - glUniformMatrix4fv(modelLoc, 1, GL_FALSE, glm::value_ptr(model)); + glUniformMatrix4fv(modelLoc, 1, GL_FALSE, glm::value_ptr(rotate_ypr(location.rot))); + glUniform3iv(modelPosLoc, 1, glm::value_ptr(location.pos)); } diff --git a/gfx/gl/shadowMapper.h b/gfx/gl/shadowMapper.h index 36371eb..b53a7f1 100644 --- a/gfx/gl/shadowMapper.h +++ b/gfx/gl/shadowMapper.h @@ -1,5 +1,6 @@ #pragma once +#include "config/types.h" #include "lib/glArrays.h" #include "program.h" #include <glm/vec2.hpp> @@ -8,17 +9,20 @@ class SceneProvider; class Camera; #include <gfx/models/texture.h> + class ShadowMapper { public: - explicit ShadowMapper(const glm::ivec2 & size); + explicit ShadowMapper(const TextureAbsCoord & size); static constexpr std::size_t SHADOW_BANDS {4}; + struct Definitions { std::array<glm::mat4x4, SHADOW_BANDS> projections {}; - std::array<glm::vec4, SHADOW_BANDS> regions {}; + std::array<TextureRelRegion, SHADOW_BANDS> regions {}; size_t maps {}; }; - [[nodiscard]] Definitions update(const SceneProvider &, const glm::vec3 & direction, const Camera &) const; + + [[nodiscard]] Definitions update(const SceneProvider &, const Direction3D & direction, const Camera &) const; class FixedPoint : public Program { public: @@ -29,6 +33,7 @@ public: private: RequiredUniformLocation viewProjectionLoc; }; + class DynamicPoint : public Program { public: DynamicPoint(); @@ -39,7 +44,9 @@ public: private: RequiredUniformLocation viewProjectionLoc; RequiredUniformLocation modelLoc; + RequiredUniformLocation modelPosLoc; }; + FixedPoint fixedPoint, dynamicPointInst; DynamicPoint dynamicPoint; @@ -50,9 +57,9 @@ public: } private: - [[nodiscard]] static std::vector<std::array<glm::vec3, 4>> getBandViewExtents( + [[nodiscard]] static std::vector<std::array<Position3D, 4>> getBandViewExtents( const Camera &, const glm::mat4 & lightView); glFrameBuffer depthMapFBO; glTexture depthMap; - glm::ivec2 size; + TextureAbsCoord size; }; diff --git a/gfx/gl/uiShader.cpp b/gfx/gl/uiShader.cpp index 78e0064..dc4f4dc 100644 --- a/gfx/gl/uiShader.cpp +++ b/gfx/gl/uiShader.cpp @@ -9,6 +9,7 @@ #include <initializer_list> UIShader::IconProgram::IconProgram(const glm::mat4 & vp) : UIProgram {vp, uiShader_vs, uiShader_fs} { } + UIShader::TextProgram::TextProgram(const glm::mat4 & vp) : UIProgram {vp, uiShader_vs, uiShaderFont_fs}, colorLoc {*this, "colour"} { @@ -18,10 +19,11 @@ UIShader::UIShader(size_t width, size_t height) : UIShader {glm::ortho<float>(0, static_cast<float>(width), 0, static_cast<float>(height))} { } + UIShader::UIShader(const glm::mat4 & viewProjection) : icon {viewProjection}, text {viewProjection} { } void -UIShader::TextProgram::use(const glm::vec3 & colour) const +UIShader::TextProgram::use(const RGB & colour) const { Program::use(); glUniform3fv(colorLoc, 1, glm::value_ptr(colour)); diff --git a/gfx/gl/uiShader.h b/gfx/gl/uiShader.h index 2766af8..362e90c 100644 --- a/gfx/gl/uiShader.h +++ b/gfx/gl/uiShader.h @@ -1,5 +1,6 @@ #pragma once +#include "config/types.h" #include "program.h" #include <cstddef> #include <glad/gl.h> @@ -33,7 +34,7 @@ private: class TextProgram : public UIProgram { public: explicit TextProgram(const glm::mat4 & vp); - void use(const glm::vec3 & colour) const; + void use(const RGB & colour) const; private: RequiredUniformLocation colorLoc; diff --git a/gfx/gl/vertexArrayObject.h b/gfx/gl/vertexArrayObject.h index fa6baa3..57daaf3 100644 --- a/gfx/gl/vertexArrayObject.h +++ b/gfx/gl/vertexArrayObject.h @@ -11,22 +11,27 @@ public: { glBindVertexArray(arrayObject); } + ~VertexArrayObject() { glBindVertexArray(0); } + NO_MOVE(VertexArrayObject); NO_COPY(VertexArrayObject); template<typename m, typename T> struct MP { constexpr MP(m T::*p) : P {p} { } + operator void *() const { return &(static_cast<T *>(nullptr)->*P); } + m T::*P; using value_type = m; }; + template<typename m, typename T> MP(m T::*) -> MP<m, T>; template<typename VertexT, MP... attribs> |